telemetry: add additional discrepancy test cases

telemetry: add additional discrepancy test cases

Add two additional test cases with collocated samples.

R=tonyg@chromium.org
BUG=357363
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=261981

[ernstm, 2014-04-04 22:26:35]

PTAL

[tonyg_google, 2014-04-04 23:24:07]

lgtm

[commit-bot: I haz the power, 2014-04-04 23:24:20]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ernstm@chromium.org/226613004/1

[commit-bot: I haz the power, 2014-04-05 00:07:44]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-04-05 00:07:45]

Retried try job too often on chromium_presubmit for step(s) presubmit
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

[ernstm, 2014-04-05 00:12:42]

On 2014/04/05 00:07:45, I haz the power (commit-bot) wrote:
> Retried try job too often on chromium_presubmit for step(s) presubmit
>
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

Tony, we need an l.g.t.m from your chromium account.

[tonyg, 2014-04-05 02:31:33]

lgtm

[commit-bot: I haz the power, 2014-04-05 02:31:41]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/ernstm@chromium.org/226613004/1

[commit-bot: I haz the power, 2014-04-05 07:37:02]

Change committed as 261981